Question 136 · LDEK · Cavity preparation
What are the names of the following types of cavity preparation in the premolar?
- A. 1 - slot preparation, 2 - tunnel preparation, 3 - PRR method.
- B. 1 - tunnel preparation, 2 - traditional preparation of Black's class II cavity, 3 - slot preparation.
- C. 1 - tunnel preparation, 2 - PRR method, 3 - traditional preparation of Black's class II cavity.
- D. 1 - slot preparation, 2 - traditional preparation of Black's class II cavity, 3 - tunnel preparation.
- E. 1 - PRR method, 2 - traditional preparation of Black's class II cavity, 3 - tunnel preparation.
Hint
Look at where each preparation enters the tooth: next to the marginal ridge, through the occlusal surface with a box, or directly from the buccal side.
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